Fix DDL deparse of CREATE OPERATOR CLASS

When an implicit operator family is created, it wasn't getting reported.
Make it do so.

This has always been missing.  Backpatch to 10.

Author: Masahiko Sawada <sawada.mshk@gmail.com>
Reported-by: Leslie LEMAIRE <leslie.lemaire@developpement-durable.gouv.fr>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Reviewed-by: Michael Paquiër <michael@paquier.xyz>
Discussion: https://postgr.es/m/f74d69e151b22171e8829551b1159e77@developpement-durable.gouv.fr

5 files changed, 30 insertions, 5 deletions

diff --git a/src/backend/commands/opclasscmds.c b/src/backend/commands/opclasscmds.c
index fad39e2b75c..11d152fa3c1 100644
--- a/src/backend/commands/opclasscmds.c
+++ b/src/backend/commands/opclasscmds.c
@@ -240,7 +240,8 @@ get_opclass_oid(Oid amID, List *opclassname, bool missing_ok)
  * Caller must have done permissions checks etc. already.
  */
 static ObjectAddress
-CreateOpFamily(const char *amname, const char *opfname, Oid namespaceoid, Oid amoid)
+CreateOpFamily(CreateOpFamilyStmt *stmt, const char *opfname,
+			   Oid namespaceoid, Oid amoid)
 {
 	Oid			opfamilyoid;
 	Relation	rel;
@@ -264,7 +265,7 @@ CreateOpFamily(const char *amname, const char *opfname, Oid namespaceoid, Oid am
 		ereport(ERROR,
 				(errcode(ERRCODE_DUPLICATE_OBJECT),
 				 errmsg("operator family \"%s\" for access method \"%s\" already exists",
-						opfname, amname)));
+						opfname, stmt->amname)));
 
 	/*
 	 * Okay, let's create the pg_opfamily entry.
@@ -312,6 +313,10 @@ CreateOpFamily(const char *amname, const char *opfname, Oid namespaceoid, Oid am
 	/* dependency on extension */
 	recordDependencyOnCurrentExtension(&myself, false);
 
+	/* Report the new operator family to possibly interested event triggers */
+	EventTriggerCollectSimpleCommand(myself, InvalidObjectAddress,
+									 (Node *) stmt);
+
 	/* Post creation hook for new operator family */
 	InvokeObjectPostCreateHook(OperatorFamilyRelationId, opfamilyoid, 0);
 
@@ -447,13 +452,17 @@ DefineOpClass(CreateOpClassStmt *stmt)
 		}
 		else
 		{
+			CreateOpFamilyStmt *opfstmt;
 			ObjectAddress tmpAddr;
 
+			opfstmt = makeNode(CreateOpFamilyStmt);
+			opfstmt->opfamilyname = stmt->opclassname;
+			opfstmt->amname = stmt->amname;
+
 			/*
 			 * Create it ... again no need for more permissions ...
 			 */
-			tmpAddr = CreateOpFamily(stmt->amname, opcname,
-									 namespaceoid, amoid);
+			tmpAddr = CreateOpFamily(opfstmt, opcname, namespaceoid, amoid);
 			opfamilyoid = tmpAddr.objectId;
 		}
 	}
@@ -792,7 +801,7 @@ DefineOpFamily(CreateOpFamilyStmt *stmt)
 				 errmsg("must be superuser to create an operator family")));
 
 	/* Insert pg_opfamily catalog entry */
-	return CreateOpFamily(stmt->amname, opfname, namespaceoid, amoid);
+	return CreateOpFamily(stmt, opfname, namespaceoid, amoid);
 }
 
 
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c
index 7d81d010c51..6fb4d64e7e2 100644
--- a/src/backend/tcop/utility.c
+++ b/src/backend/tcop/utility.c
@@ -1713,6 +1713,12 @@ ProcessUtilitySlow(ParseState *pstate,
 
 			case T_CreateOpFamilyStmt:
 				address = DefineOpFamily((CreateOpFamilyStmt *) parsetree);
+
+				/*
+				 * DefineOpFamily calls EventTriggerCollectSimpleCommand
+				 * directly.
+				 */
+				commandCollected = true;
 				break;
 
 			case T_CreateTransformStmt:
diff --git a/src/test/modules/test_ddl_deparse/expected/opfamily.out b/src/test/modules/test_ddl_deparse/expected/opfamily.out
index 14bd6037cdf..c7e3a23ef70 100644
--- a/src/test/modules/test_ddl_deparse/expected/opfamily.out
+++ b/src/test/modules/test_ddl_deparse/expected/opfamily.out
@@ -64,4 +64,5 @@ NOTICE:  DDL test: type simple, tag CREATE OPERATOR
 create operator class ctype_hash_ops
   default for type ctype using hash as
   operator 1 =(ctype, ctype);
+NOTICE:  DDL test: type simple, tag CREATE OPERATOR FAMILY
 NOTICE:  DDL test: type create operator class, tag CREATE OPERATOR CLASS
diff --git a/src/test/regress/expected/event_trigger.out b/src/test/regress/expected/event_trigger.out
index 44d545de257..c95c30b3140 100644
--- a/src/test/regress/expected/event_trigger.out
+++ b/src/test/regress/expected/event_trigger.out
@@ -476,6 +476,11 @@ NOTICE:  NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_10_15
 NOTICE:  NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_15_20 name={evttrig,part_15_20} args={}
 DROP TABLE a_temp_tbl;
 NOTICE:  NORMAL: orig=t normal=f istemp=t type=table identity=pg_temp.a_temp_tbl name={pg_temp,a_temp_tbl} args={}
+-- CREATE OPERATOR CLASS without FAMILY clause should report
+-- both CREATE OPERATOR FAMILY and CREATE OPERATOR CLASS
+CREATE OPERATOR CLASS evttrigopclass FOR TYPE int USING btree AS STORAGE int;
+NOTICE:  END: command_tag=CREATE OPERATOR FAMILY type=operator family identity=public.evttrigopclass USING btree
+NOTICE:  END: command_tag=CREATE OPERATOR CLASS type=operator class identity=public.evttrigopclass USING btree
 DROP EVENT TRIGGER regress_event_trigger_report_dropped;
 DROP EVENT TRIGGER regress_event_trigger_report_end;
 -- only allowed from within an event trigger function, should fail
diff --git a/src/test/regress/sql/event_trigger.sql b/src/test/regress/sql/event_trigger.sql
index 1446cf8cc89..5e45e3f190e 100644
--- a/src/test/regress/sql/event_trigger.sql
+++ b/src/test/regress/sql/event_trigger.sql
@@ -337,6 +337,10 @@ DROP INDEX evttrig.one_idx;
 DROP SCHEMA evttrig CASCADE;
 DROP TABLE a_temp_tbl;
 
+-- CREATE OPERATOR CLASS without FAMILY clause should report
+-- both CREATE OPERATOR FAMILY and CREATE OPERATOR CLASS
+CREATE OPERATOR CLASS evttrigopclass FOR TYPE int USING btree AS STORAGE int;
+
 DROP EVENT TRIGGER regress_event_trigger_report_dropped;
 DROP EVENT TRIGGER regress_event_trigger_report_end;